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The effect of vibratory stress on the welding microstructure and residual stress distribution

Munsi, A.S.M.Y. and Waddell, A.J. and Walker, C.A. (2001) The effect of vibratory stress on the welding microstructure and residual stress distribution. Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications, 215 (2). pp. 99-111. ISSN 1464-4207

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Abstract

Previous studies have suggested that weld microstructure may be modified by the presence of static stresses. In this investigation, vibratory stress was applied to mild steel specimens while they were being welded to observe its effect on the residual stress, microstructure and hardness of the material. Residual stresses were found to decrease in response to vibration whether it was applied during welding or after welding. It was found that the applied stress influenced the grain growth process in the weld. As a result of the treatment the hardness of the material was found to be increased by 25 per cent.

Item type: Article
ID code: 6333
Keywords: residual stress, vibratory stress relief, vibratory weld conditioning, microstructure, phase transformation, Mechanical engineering and machinery, Building construction, Materials Science(all), Mechanical Engineering
Subjects: Technology > Mechanical engineering and machinery
Technology > Building construction
Department: Faculty of Engineering > Mechanical and Aerospace Engineering
Depositing user: Strathprints Administrator
Date Deposited: 17 Jul 2008
Last modified: 27 Mar 2015 14:15
URI: http://strathprints.strath.ac.uk/id/eprint/6333

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